<template>
  <div class="wrapper">
    <div class="content">
      <div class="show-info">
        <div class="test">
          <vue-cropper
            ref="cropper2"
            :img="example2.img"
            :outputSize="example2.size"
            :outputType="example2.outputType"
            :info="example2.info"
            :canScale="example2.canScale"
            :autoCrop="example2.autoCrop"
            :autoCropWidth="autoCropWidthNum"
            :autoCropHeight="autoCropHeightNum"
            :fixed="example2.fixed"
            :fixedNumber="fixedNumber"
          ></vue-cropper>
        </div>
        <label class="btn" for="upload2">选择图片</label>
        <input
          type="file"
          id="upload2"
          style="position: absolute; clip: rect(0 0 0 0)"
          accept="image/png, image/jpeg, image/gif, image/jpg"
          @change="readImg($event, 2)"
        />
        <button @click="finish2()" class="btn">裁剪</button>
      </div>
    </div>
  </div>
</template>

<script>
import { 
base64Upload
} from "@/api/index";
import VueCropper from "vue-cropper";
import { mapActions } from "vuex";
import axios from "axios"
//记得导入code文件
//    import codes from '../code'
//    import * as OSS from 'ali-oss';
var vueCropper = VueCropper.VueCropper;
export default {
  props: {
    //截图框的高宽比例
    fixedNumber: {
      type: Array,
      default: [1.4, 1],
    },
    autoCropWidthNum: {
      type: Number,
      default: 702,
    },
    autoCropHeightNum: {
      type: Number,
      default: 250,
    },
  },
  data: function () {
    return {
      host: "",
      model: false,
      modelSrc: "",
      crap: false,
      previews: {},
      form: {
        head: "",
      },
      // arr:[1,2,3,4,5,6,7,8,9],
      // newArr:[],
      example2: {
        //img的路径自行修改
        img: "$oss.url + '/' + form.head ", //裁剪图片的地址
        info: true, //裁剪框的大小信息
        size: 1, //剪切后的图片质量（0.1-1）
        outputType: "jpeg", // 裁剪生成额图片的格式
        canScale: true, //图片是否允许滚轮缩放
        autoCrop: true, //是否默认生成截图框
        // 只有自动截图开启 宽度高度才生效
        autoCropWidth: this.autoCropWidthNum, //默认生成截图框宽度
        autoCropHeight: this.autoCropHeightNum, //默认生成截图框高度
        fixed: false, //截图框是否固定
        // 真实的输出宽高
        infoTrue: true,
      },
      downImg: "#",
    };
  },
  mounted() {
    console.log("调用裁剪插件：", VueCropper);
  },
  activated() {
    console.log("actived");
  },
  components: {
    vueCropper,
    //            codes
  },
  methods: {
    ...mapActions(["getPicBatchUploadSign"]),
    //点击裁剪，这一步是可以拿到处理后的地址
    finish2() {
      this.$refs.cropper2.getCropData((data) => {
        // console.log("打印截图后的data",data)
        this.modelSrc = data;
        this.model = false;
        //裁剪后的图片显示
        this.example2.img = this.modelSrc;
        let file = this.modelSrc; // 把整个base64给file
        var type = "image/png"; // 定义图片类型（canvas转的图片一般都是png，也可以指定其他类型）
        let conversions = this.base64ToBlob(file, type); // 调用base64转图片方法
        console.log("调用base64方法", conversions);
        var id = sessionStorage.getItem("token");
        // console.log("organId: ",id);
        var num = Math.floor(Math.random() * 10 + 1);
        // console.log("打印随机数",num)
        var imglist = {
          file: conversions,
        };
        this.uploadImg0(file);
      });
    },
    readImg(e, num) {
      //上传图片
      this.example2.img = "";
      var file = e.target.files[0];
      console.log("上传文件打印：", file);
      if (!/\.(gif|jpg|jpeg|png|bmp|GIF|JPG|PNG)$/.test(e.target.value)) {
        alert("图片类型必须是.gif,jpeg,jpg,png,bmp中的一种");
        return false;
      }
      var reader = new FileReader();
      // 转化为base64
      reader.readAsDataURL(file);
      // 转化为blobcs
      // reader.readAsArrayBuffer(file)
      reader.onload = (e) => {
        let data;
        data = e.target.result;
        if (typeof e.target.result === "object") {
          // 把Array Buffer转化为blob 如果是base64不需要
          data = window.URL.createObjectURL(new Blob([e.target.result]));
        } else {
          data = e.target.result;
        }
        if (num === 1) {
          this.option.img = data;
        } else if (num === 2) {
          this.example2.img = data;
        }
      };
    },
    base64ToBlob(urlData, type) {
      let arr = urlData.split(",");
      let mime = arr[0].match(/:(.*?);/)[1] || type;
      // 去掉url的头，并转化为byte
      let bytes = window.atob(arr[1]);
      // 处理异常,将ascii码小于0的转换为大于0
      let ab = new ArrayBuffer(bytes.length);
      // 生成视图（直接针对内存）：8位无符号整数，长度1个字节
      let ia = new Uint8Array(ab);
      for (let i = 0; i < bytes.length; i++) {
        ia[i] = bytes.charCodeAt(i);
      }
      return new Blob([ab], {
        type: mime,
      });
    },
    uploadImg0(file){
    
         base64Upload({file:file}).then(res => {
           console.log(res)
        if(res.success) {
          this.integralData = res.result
        }
      })
    },
    uploadImg(imgList) {
      let data = {
        length: imgList.length,
        uri: imgList.uri,
        method: "POST",
      };
      var _this = this;
      this.getPicBatchUploadSign([data]).then((res) => {
        console.log("res:", res);
        if (res.errorCode == 0) {
          this.host = res.data[0].host;
          var formData = new FormData();
          formData.append("policy", res.data[0].policy);
        //   formData.append("signature", res.data[0].signature);
          formData.append("authorization",res.data[0].authorization)
          formData.append("file", imgList.file);
          axios({
              method: "post",
              url: "//v0.api.upyun.com/" + res.data[0].bucketName,
              data: formData,
            })
            .then((res) => {
              //  let data1 = res.data;
              console.log("打印data：", res);
              if (res.status == "200") {
                  if(res.data.code=="200"){
                     this.$emit("postImgSucess", this.host + res.data.url);
                  }
                //   this.$emit("postImgSrc_base64", this.host + data1.url);
                //   console.log("图片路径：", this.host + data1.url);
              } else {
                this.$message({
                  type: "info",
                  message: "图片上传失败",
                });
                return;
              }
            });
        } else {
          this.$message({
            type: "error",
            message: res.data.message,
          });
        }
      });
    },
  },
};
</script>

<style>
* {
  margin: 0;
  padding: 0;
}

.content {
  margin: auto;
  /* max-width: 585px;
  margin-bottom: 100px; */
}

.test-button {
  display: flex;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  background: #fff;
  border: 1px solid #c0ccda;
  color: #1f2d3d;
  text-align: center;
  box-sizing: border-box;
  outline: none;
  margin: 20px 10px 0px 0px;
  padding: 9px 15px;
  font-size: 14px;
  border-radius: 4px;
  color: #fff;
  background-color: #50bfff;
  border-color: #50bfff;
  transition: all 0.2s ease;
  text-decoration: none;
  user-select: none;
}

.des {
  line-height: 30px;
}

code.language-html {
  padding: 10px 20px;
  margin: 10px 0px;
  display: block;
  background-color: #333;
  color: #fff;
  overflow-x: auto;
  font-family: Consolas, Monaco, Droid, Sans, Mono, Source, Code, Pro, Menlo,
    Lucida, Sans, Type, Writer, Ubuntu, Mono;
  border-radius: 5px;
  white-space: pre;
}

.show-info h2 {
  line-height: 50px;
}

/*.title, .title:hover, .title-focus, .title:visited {
          color: black;
      }*/

.title {
  display: block;
  text-decoration: none;
  text-align: center;
  line-height: 1.5;
  margin: 20px 0px;
  background-image: -webkit-linear-gradient(
    left,
    #3498db,
    #f47920 10%,
    #d71345 20%,
    #f7acbc 30%,
    #ffd400 40%,
    #3498db 50%,
    #f47920 60%,
    #d71345 70%,
    #f7acbc 80%,
    #ffd400 90%,
    #3498db
  );
  color: transparent;
  -webkit-background-clip: text;
  background-size: 200% 100%;
  animation: slide 5s infinite linear;
  font-size: 40px;
}

.test {
  height: 285px;
}

.model {
  position: fixed;
  z-index: 10;
  width: 100vw;
  height: 100vh;
  overflow: auto;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.8);
}

.model-show {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
}

.model img {
  display: block;
  margin: auto;
  max-width: 80%;
  user-select: none;
  background-position: 0px 0px, 10px 10px;
  background-size: 20px 20px;
  background-image: linear-gradient(
      45deg,
      #eee 25%,
      transparent 25%,
      transparent 75%,
      #eee 75%,
      #eee 100%
    ),
    linear-gradient(45deg, #eee 25%, white 25%, white 75%, #eee 75%, #eee 100%);
}

.c-item {
  display: block;
  padding: 10px 0;
  user-select: none;
}

@keyframes slide {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: -100% 0;
  }
}

@media screen and (max-width: 1000px) {
  .content {
    max-width: 90%;
    margin: auto;
  }

  .test {
    height: 400px;
  }
}
</style>
